package com.ruoyi.framework.security.filter;

import java.io.IOException;
import java.util.List;
import javax.annotation.Resource;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.ruoyi.common.core.domain.entity.SysDept;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.system.domain.SysUserPost;
import com.ruoyi.system.mapper.SysUserPostMapper;
import com.ruoyi.system.service.ISysDeptService;
import com.ruoyi.system.service.ISysDictDataService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;
import com.ruoyi.common.core.domain.model.LoginUser;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.framework.web.service.TokenService;

/**
 * token过滤器 验证token有效性
 * 
 * @author ruoyi
 */
@Component
public class JwtAuthenticationTokenFilter extends OncePerRequestFilter
{
    @Autowired
    private TokenService tokenService;

    @Resource
    private SysUserPostMapper sysUserPostMapper;

    @Autowired
    private ISysDeptService sysDeptService;

    @Autowired
    private ISysDictDataService  sysDictDataService;

    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
            throws ServletException, IOException
    {
        LoginUser loginUser = tokenService.getLoginUser(request);
        if (StringUtils.isNotNull(loginUser) && StringUtils.isNull(SecurityUtils.getAuthentication()))
        {
            tokenService.verifyToken(loginUser);
            //获取用户岗位
            List<SysUserPost> sysUserPosts = sysUserPostMapper.selectUserPostByUserId(loginUser.getUser().getUserId());
            if(!sysUserPosts.isEmpty()){
                StringBuilder postName = new StringBuilder();
                for (int i = 0; i < sysUserPosts.size(); i++) {
                    postName.append(sysUserPosts.get(i).getPostName()).append("、");
                }
                postName = new StringBuilder(postName.substring(0, postName.length() - 1));
                loginUser.getUser().setPostName(postName.toString());
            }
            //获取用户公司  部门的最上级
            SysDept sysDept = sysDeptService.selectDeptById(loginUser.getUser().getDeptId());
            String[] split = sysDept.getAncestors().split(",");
            if(split.length > 0&&split.length <= 1){
                if(split[0].equals("0")){
                    loginUser.getUser().setCompany(sysDept.getDeptName());
                }
            }else if(split.length > 1){
                SysDept sysDeptTop = sysDeptService.selectDeptById(Long.parseLong(split[1]));
                loginUser.getUser().setCompany(sysDeptTop.getDeptName());
            }
            //获取工区
            String spaceName = sysDictDataService.selectDictLabel("space", loginUser.getUser().getSpace());
            loginUser.getUser().setSpaceName(spaceName);
            UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(loginUser, null, loginUser.getAuthorities());
            authenticationToken.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
            SecurityContextHolder.getContext().setAuthentication(authenticationToken);
        }
        chain.doFilter(request, response);
    }
}
